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Patent Searching and Data


Title:
【発明の名称】後置絞りのトリプレットレンズ
Document Type and Number:
Japanese Patent JP2871021
Kind Code:
B2
Inventors:
OSHIKIRI MINORU
Application Number:
JP19016990A
Publication Date:
March 17, 1999
Filing Date:
July 18, 1990
Export Citation:
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Assignee:
ORINPASU KOGAKU KOGYO KK
International Classes:
G02B9/16; G02B13/18; (IPC1-7): G02B13/18; G02B9/16
Domestic Patent References:
JP61272710A
JP60162217A
JP429417B1
Attorney, Agent or Firm:
Hiroshi Nirazawa (7 outside)